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Introduction to Calreticulin

  • Paul Eggleton
  • Marek Michalak
Part of the Molecular Biology Intelligence Unit book series (MBIU)

Abstract

Over 30 years ago calreticulin, then known as the high affinity calcium binding protein (HACBP), was identified and purified from isolated skeletal muscle sarcoplasmic reticulum vesicles.1,2 Surprisingly, it took almost 20 years to realize that the protein is a major component of the endoplasmic reticulum (ER) in non-muscle cells3. However, today, calreticulin is considered one of the best markers for the ER. In 1989 isolation of cDNA encoding calreticulin was reported3,4 and provided a useful tool to carry out biochemical, molecular biological and cell biological studies of the protein. This led to a number of advances on the structure and function of calreticulin. The recent application of calreticulin gene deletion in mice,5,6 C. elegans 7,8 and in Dictyostelium 9 have led to exciting discoveries of the role of calreticulin in organogenesis and several pathologies. Moreover, long awaited structural studies on calreticulin10 and calnexin11 provided the first insights into 3D structure of ER luminal proteins and their domains. This will have a tremendous impact on the future studies on these and other ER chaperones.

Keywords

Major Histocompatibility Complex Class Cardiac Development Complete Heart Block Protein Quality Control Endoplasmic Reticulum Lumen 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Paul Eggleton
  • Marek Michalak

There are no affiliations available

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